X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/e0813be81ed5083be67f3caaa473711ed58ce75e..305536f8c249ae4ca528cf004fe71a26c7278ede:/src/com/owncloud/android/providers/UsersAndGroupsSearchProvider.java

diff --git a/src/com/owncloud/android/providers/UsersAndGroupsSearchProvider.java b/src/com/owncloud/android/providers/UsersAndGroupsSearchProvider.java
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+++ b/src/com/owncloud/android/providers/UsersAndGroupsSearchProvider.java
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+/**
+ *   ownCloud Android client application
+ *
+ *   @author David A. Velasco
+ *   Copyright (C) 2015 ownCloud Inc.
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   as published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+package com.owncloud.android.providers;
+
+import android.accounts.Account;
+import android.app.SearchManager;
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.net.Uri;
+import android.provider.BaseColumns;
+import android.support.annotation.Nullable;
+import android.util.Pair;
+
+import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.shares.GetRemoteShareesOperation;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+
+/**
+ * Content provider for search suggestions, to search for users and groups existing in an ownCloud server.
+ */
+public class UsersAndGroupsSearchProvider extends ContentProvider {
+
+    private static final String TAG = UsersAndGroupsSearchProvider.class.getSimpleName();
+
+    private static final String[] COLUMNS = {
+        BaseColumns._ID,
+        SearchManager.SUGGEST_COLUMN_TEXT_1,
+        SearchManager.SUGGEST_COLUMN_FLAGS,
+        SearchManager.SUGGEST_COLUMN_INTENT_DATA
+    };
+
+    private static final int SEARCH = 1;
+
+    private static final int RESULTS_PER_PAGE = 50;
+    private static final int REQUESTED_PAGE = 1;
+
+    public static final String AUTHORITY = UsersAndGroupsSearchProvider.class.getCanonicalName();
+    public static final String ACTION_SHARE_WITH = AUTHORITY + ".action.SHARE_WITH";
+    public static final String DATA_USER = AUTHORITY + ".data.user";
+    public static final String DATA_GROUP = AUTHORITY + ".data.group";
+
+    private UriMatcher mUriMatcher;
+
+    @Nullable
+    @Override
+    public String getType(Uri uri) {
+        // TODO implement
+        return null;
+    }
+
+    @Override
+    public boolean onCreate() {
+        mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+        mUriMatcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", SEARCH);
+        return true;
+    }
+
+    /**
+     * TODO description
+     *
+     * Reference: http://developer.android.com/guide/topics/search/adding-custom-suggestions.html#CustomContentProvider
+     *
+     * @param uri           Content {@link Uri}, formattted as
+     *                      "content://com.owncloud.android.providers.UsersAndGroupsSearchProvider/" +
+     *                      {@link android.app.SearchManager#SUGGEST_URI_PATH_QUERY} + "/" + 'userQuery'
+     * @param projection    Expected to be NULL.
+     * @param selection     Expected to be NULL.
+     * @param selectionArgs Expected to be NULL.
+     * @param sortOrder     Expected to be NULL.
+     * @return              Cursor with users and groups in the ownCloud server that match 'userQuery'.
+     */
+    @Nullable
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
+        Log_OC.d(TAG, "query received in thread " + Thread.currentThread().getName());
+
+        int match = mUriMatcher.match(uri);
+        switch (match) {
+            case SEARCH:
+                return searchForUsersOrGroups(uri);
+
+            default:
+                return null;
+        }
+    }
+
+    private Cursor searchForUsersOrGroups(Uri uri) {
+        MatrixCursor response = null;
+
+
+        String userQuery = uri.getLastPathSegment().toLowerCase();
+
+
+        /// need to trust on the AccountUtils to get the current account since the query in the client side is not
+        /// directly started by our code, but from SearchView implementation
+        Account account = AccountUtils.getCurrentOwnCloudAccount(getContext());
+
+        /// request to the OC server about users and groups matching userQuery
+        GetRemoteShareesOperation searchRequest = new GetRemoteShareesOperation(
+                userQuery, REQUESTED_PAGE, RESULTS_PER_PAGE
+        );
+        RemoteOperationResult result = searchRequest.execute(account, getContext());
+        List<Pair<String, Byte>> names = new ArrayList<Pair<String, Byte>>();
+        if (result.isSuccess()) {
+            for (Object o : result.getData()) {
+                names.add((Pair<String, Byte>) o);
+            }
+        }
+
+        /// convert the responses from the OC server to the expected format
+        if (names.size() > 0) {
+            response = new MatrixCursor(COLUMNS);
+            Iterator<Pair<String, Byte>> namesIt = names.iterator();
+            int count = 0;
+            Pair<String, Byte> item;
+            String displayName;
+            Uri dataUri;
+            Uri userBaseUri = new Uri.Builder().scheme("content").authority(DATA_USER).build();
+            Uri groupBaseUri = new Uri.Builder().scheme("content").authority(DATA_GROUP).build();
+
+            while (namesIt.hasNext()) {
+                item = namesIt.next();
+                if (GetRemoteShareesOperation.GROUP_TYPE.equals(item.second)) {
+                    displayName = getContext().getString(R.string.share_group_clarification, item.first);
+                    dataUri = Uri.withAppendedPath(groupBaseUri, item.first);
+                } else {
+                    displayName = item.first;
+                    dataUri = Uri.withAppendedPath(userBaseUri, item.first);
+                }
+                response.newRow()
+                    .add(count++)             // BaseColumns._ID
+                    .add(displayName)        // SearchManager.SUGGEST_COLUMN_TEXT_1
+                    .add(SearchManager.FLAG_QUERY_REFINEMENT)
+                    .add(dataUri);
+            }
+        }
+
+        return response;
+    }
+
+    @Nullable
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        // TODO implementation
+        return null;
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        // TODO implementation
+        return 0;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        // TODO implementation
+        return 0;
+    }
+
+}